\begin{table}[!b]
	\centering
	\scriptsize
	\setlength{\tabcolsep}{4.25pt}
	\begin{minipage}[t]{0.97\linewidth} % 如果想在表格中使用脚注，minipage是个不错的办法
		\caption{OpenSSL-1.1.1-pre8缺陷检测结果}
		\scriptsize
		\label{tab:4-4-openssl}
		\begin{tabular}{ccclcc}
			\hline
			\multirow{2}{*}{编号}& 缺陷 & \multirow{2}{*}{误用API} & \multicolumn{1}{c}{文件位置} & 缺陷 & \multirow{2}{*}{状态\footnote{$\checkmark\checkmark$为已经修复的缺陷，$\checkmark$为确认的缺陷。}} \\
			& 编号 & & \multicolumn{1}{c}{文件名：调用函数} & 种类 & \\
			\hline
1 & 6567 & RAND\_bytes & speed.c: \textbf{RAND*\_loop} & IEH & \checkmark\checkmark \\
2 & 6568 & ASN1\_INTEGER\_get & tasn\_utl.c: \textbf{asn1\_do\_adb} & IPU & \checkmark \\
3 & 6569& ASN1\_INTEGER\_set & p12\_init.c: \textbf{PK*init} & IPU & \checkmark\checkmark \\
4 & 6570& ASN1\_object\_size & asn1\_gen.c: \textbf{generate\_v3 } & IEH & \checkmark \\
5 & 6572& BN\_set\_word & t1\_lib.c: \textbf{ssl*\_dh} & IEH & \checkmark\checkmark \\
6 & 6573& HMAC\_Init\_ex & apps/speed.c: \textbf{HMAC\_loop} & IEH & \checkmark \\
7 & 6574 & EVP\_PKEY\_get0\_DH & statem\_srvr.c: \textbf{tls*\_dhe} & IPU & \checkmark\checkmark \\
8 & 6575 & EC\_KEY\_generate\_key & speed.c: \textbf{run\_benchmark} & IEH & \checkmark \\
9 & 6781 & EC*new*\_name & ec\_ameth.c: \textbf{eckey\_type2param} & ICC & \checkmark\checkmark \\
10 & 6789 & ASN1\_INTEGER\_set & v3\_tlsf.c: \textbf{v2i*FEATURE} & IEH & \checkmark\checkmark \\
11 & 6820 & ASN1\_INTEGER\_to\_BN & ts\_lib.c: \textbf{TS*\_bio} & IPU & \checkmark\checkmark \\
12 & 6822 & BN\_sub & rsa\_ossl.c: \textbf{rsa*\_encrypt} & IEH & \checkmark\checkmark \\
13 & 6973 & EVP\_MD\_CTX\_new & ocsp\_srv.c: \textbf{OCSP*\_sign} & IPU & \checkmark\checkmark \\
14 & 6977 & ASN1\_INTEGER\_set & pk7\_lib.c: \textbf{PKCS7*type} & IEH & \checkmark\checkmark \\
15 & 6982 & OBJ\_nid2obj & asn\_moid.c: \textbf{do\_create} & IEH & \checkmark\checkmark \\
16 & 6983 & BN\_sub & bn\_x931p.c: \textbf{BN*\_Xpq} & IEH & \checkmark\checkmark \\
17 & 7235 & DH\_set0\_key & dh\_lib.c: \textbf{DH*\_key} & IEH & \checkmark \\
			\hline
		\end{tabular}
	\end{minipage}
\end{table}